3956240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2939

約数の個数: 40

約数和(自身を含む): 9742680

約数和(自身を除く): 5786440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2909, 5818, 11636, 14545, 23272, 29090, 46544, 49453, 58180, 98906, 116360, 197812, 232720, 247265, 395624, 494530, 791248, 989060, 1978120, 3956240]

約数ペア:

[(1, 3956240), (2, 1978120), (4, 989060), (5, 791248), (8, 494530), (10, 395624), (16, 247265), (17, 232720), (20, 197812), (34, 116360), (40, 98906), (68, 58180), (80, 49453), (85, 46544), (136, 29090), (170, 23272), (272, 14545), (340, 11636), (680, 5818), (1360, 2909)]